List of Articles Polyvinyl sulfuric acid Open Access Article Abstract Page Full-Text 1 - Synthesis of Unsymmetrical Ethers Catalysed by Polyvinyl sulfuric acid & PVSA / Nano RH SiO2 as a Novel Solid Acid Nanocomposite roya moeinzadeh Ali Kiasat Hadi Asareh 10.22034/jna.2017.536601. Open Access Article Abstract Page Full-Text 2 - Synthesis of Unsymmetrical Ethers Catalysed by Polyvinyl Sulfuric Acid & PVSA / Nano RH SiO2 as a Novel Solid Acid Nanocomposite Roya Moeinzadeh Hadi Asareh Ali Reza Kiasat 10.22034/jna.2017.539361